Electronic device for driving tunable device

Abstract

An electronic device is provided. The electronic device includes a tunable component and a first source follower circuit. The tunable component is electrically connected to a circuit node. The first source follower circuit is electrically connected to the circuit node. The first source follower circuit includes a first control terminal and a first terminal. The first control terminal is electrically connected to the first terminal.

What is claimed is: 
     
         1 . An electronic device, comprising:
 a tunable component, electrically connected to a circuit node;   a first source follower circuit, electrically connected to the circuit node;   a scan transistor, electrically connected to the circuit node, wherein the scan transistor is further electrically connected to a data line, wherein the scan transistor provides a data voltage to the circuit node from the data line;   a first compensation transistor, electrically connected to the first source follower circuit; and   a first bias transistor, electrically connected to the first terminal of the first source follower circuit and a first operation voltage,   wherein a first terminal of the first compensation transistor is electrically connected to a first terminal of the first source follower circuit, and a second terminal of the first compensation transistor is electrically connected to a control terminal of the first source follower circuit,   wherein a control terminal of the scan transistor and a control terminal of the first compensation transistor receive a scan signal,   wherein during a scan period, the scan transistor and the first compensation transistor are turned-on, and the first bias transistor is turned-off.   
     
     
         2 . The electronic device according to the  claim 1 , further comprising:
 a first reset transistor, electrically connected to the first control terminal of the first source follower circuit.   
     
     
         3 . The electronic device according to the  claim 1 , wherein a current is transmitted from the first source follower to the tunable component. 
     
     
         4 . The electronic device according to the  claim 1 , wherein a current is transmitted from the tunable component to the first source follower. 
     
     
         5 . The electronic device according to the  claim 1 , wherein the first source follower circuit comprises a first drive transistor. 
     
     
         6 . The electronic device according to the  claim 5 , wherein the first drive transistor is a N-type transistor. 
     
     
         7 . The electronic device according to the  claim 5 , wherein the first drive transistor is a P-type transistor. 
     
     
         8 . The electronic device according to the  claim 1 , further comprising:
 a smoothing capacitor, electrically connected to the tunable component in parallel.   
     
     
         9 . The electronic device according to the  claim 1 , further comprising:
 a first storage capacitor, electrically connected to the first control terminal of the first source follower circuit.   
     
     
         10 . The electronic device according to the  claim 1 , further comprising:
 a second source follower circuit, electrically connected to the circuit node,   wherein the second source follower circuit comprises a second control terminal and a second terminal, and the second control terminal is electrically connected to the second terminal.   
     
     
         11 . The electronic device according to the  claim 10 , wherein the second source follower circuit comprises a second drive transistor, wherein the second drive transistor is an N-type transistor or a P-type transistor. 
     
     
         12 . The electronic device according to the  claim 10 , further comprising:
 a second compensation transistor, electrically connected to the second control terminal and the second terminal of the second source follower circuit.   
     
     
         13 . The electronic device according to the  claim 10 , further comprising:
 a second bias transistor, electrically connected to the second terminal of the second source follower circuit and a second operation voltage.   
     
     
         14 . The electronic device according to the  claim 10 , further comprising:
 a second storage capacitor, electrically connected to the second control terminal of the second source follower circuit.   
     
     
         15 . The electronic device according to the  claim 1 , further comprising:
 a third reset transistor, electrically connected to the tunable component in parallel.   
     
     
         16 . The electronic device according to the  claim 1 , further comprising:
 a third bias transistor, electrically connected between the circuit node and the tunable component.